3rd grade math review

Front

What is the perimeter of a rectangle?

Back

The perimeter is the total distance around the rectangle, calculated by adding the lengths of all sides. For a rectangle, it is calculated as P = 2(length + width).

Front

If a yard is 40 feet long and 5 feet less wide, what is the width?

Back

The width is 40 feet - 5 feet = 35 feet.

Front

How do you calculate the total amount of fencing needed for a yard?

Back

To calculate the total amount of fencing, find the perimeter of the yard using the formula P = 2(length + width).

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as a/b, where 'a' is the numerator and 'b' is the denominator.

Front

What does the numerator in a fraction represent?

Back

The numerator represents the number of parts you have.

Front

What does the denominator in a fraction represent?

Back

The denominator represents the total number of equal parts the whole is divided into.

Front

If you arrive at school at 7:35 am and lunch is at 11:55 am, how do you find the time until lunch?

Back

Subtract the arrival time from the lunch time to find the duration.

Front

What is the difference between hours and minutes?

Back

1 hour = 60 minutes.

Front

How many minutes are there in 3 hours?

Back

3 hours = 3 x 60 minutes = 180 minutes.

Front

What is the value of ½ in decimal form?

Back

½ = 0.5.